YULE, G. (2006). The study of language (Ed.3.). Cambridge University Press.
Chicago Style aipamenaYULE, George. The Study of Language. Ed.3. Cambridge: Cambridge University Press, 2006.
MLA aipamenaYULE, George. The Study of Language. Ed.3. Cambridge University Press, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.